the xmm-newton cross-calibration campaign

Marcus KirschMarcus Kirsch

Science Operations & Data Systems Division Research & Scientific Support Department

XMM-NewtonXMM-Newton

EPICEPIC

The XMM-Newton The XMM-Newton cross-calibration campaigncross-calibration campaign

M.G.F. Kirsch, A.M.T. Pollock, M.G.F. Kirsch, A.M.T. Pollock, B.Chen, M.Smith B.Chen, M.Smith

M.M. Sierra, L. Metcalfe, B. Altieri M.M. Sierra, L. Metcalfe, B. Altieri

Marcus KirschMarcus KirschScience Operations & Data Systems Division

Research & Scientific Support Department


EPICEPICEPIC and RGS ratioEPIC and RGS ratio




EPICEPICmenumenu

objectivesobjectives

schedule schedule

methodsmethods

outcome (so far)outcome (so far)




EPICEPICobjectivesobjectives

systematic XSA data miningsystematic XSA data mining

public CCFs and SAS public CCFs and SAS

2525 targets, 200targets, 200 observations observations

line-rich spectra RGS line-rich spectra RGS EPIC EPIC

continuum spectra EPIC continuum spectra EPIC RGS RGS




EPICEPICscheduleschedule

2003/05: start of campaign2003/05: start of campaign 2003/07: start of data analysis2003/07: start of data analysis 2003/09: first results2003/09: first results

2003/11: Chandra exchange2003/11: Chandra exchange 2004/05: Green Paper 2004/05: Green Paper 2004/07: White Paper 2004/07: White Paper




EPICEPICtargets treated targets treated line-rich sources:line-rich sources:

– SNR 1E0102-7219 (8)SNR 1E0102-7219 (8)– AB Dor (8)AB Dor (8)– SNR N132D (14)SNR N132D (14)– Capella (6)Capella (6)

continuum sourcescontinuum sources– PKS2155-304 (9)PKS2155-304 (9)– PKS0558-504 (4)PKS0558-504 (4)– RXJ1856.6-3754 (1)RXJ1856.6-3754 (1)– RXJ0720.4-3125 (6)RXJ0720.4-3125 (6)– RXJ0806.4-4123 (3)RXJ0806.4-4123 (3)




EPICEPICmethodsmethods

extractionextraction– pile-up checkpile-up check– flare screeningflare screening– source and background extractionsource and background extraction– response matrix generationresponse matrix generation

modellingmodelling assessmentassessment




EPICEPICresults: PKS2155-304results: PKS2155-304

Model: constant Model: constant *wabs *wabs *powerlaw*powerlawwhere constants for where constants for RGS are free RGS are free (0.91,0.89), all (0.91,0.89), all other parameters other parameters are fitted are fitted simultaneouslysimultaneously

up to ± 20% up to ± 20% differences in fluxdifferences in flux

same trend also same trend also observed for observed for PKS0558-504PKS0558-504




EPICEPICresults: AB Dorresults: AB Dor

Model: Model: constant *wabs constant *wabs *(vmekal+bremss)*(vmekal+bremss)where constants for where constants for RGS are free RGS are free (0.85,0.87), (0.85,0.87), all other parameters all other parameters are fitted are fitted simultaneouslysimultaneously

the spectrum’s many the spectrum’s many lines are not perfectly lines are not perfectly fit but the model is fit but the model is good enough for this good enough for this comparisoncomparison

up to ± 20% up to ± 20% differences in flux differences in flux

the xmm-newton cross-calibration campaign

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